Determine steady-state creep rate at a given stress level
The steady-state creep rates at 473 K for an alloy is 2.5x10-3 (h-1) at 55 MPa and 2.4x10-2 (h-1) at 69 MPa. The activation energy for creep is 140 kJ/mol. Calculate the steady-state creep rate at 523 K at a stress level of 48 MPa.
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Given that the charge on the electron is 1.6 x 10^-19, about how many excess electrons must be on the drop to allow it to be suspended?
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The steady-state creep rates at 473 K for an alloy is 2.5x10-3 (h-1) at 55 MPa and 2.4x10-2 (h-1) at 69 MPa. The activation energy for creep is 140 kJ/mol.
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